18732119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 22732800

約数和(自身を除く): 4000681

約数列:

[1, 7, 19, 127, 133, 889, 1109, 2413, 7763, 16891, 21071, 140843, 147497, 985901, 2676017, 18732119]

約数ペア:

[(1, 18732119), (7, 2676017), (19, 985901), (127, 147497), (133, 140843), (889, 21071), (1109, 16891), (2413, 7763)]